
.mask{
  position: fixed;
  height: 100%;
  width:100%;
  left: 0;
  top:0;
  z-index: 999;
  background: rgba(0,0,0,.2);
}

.hide{
  display: none;
}

.loading{
  width: 100px;
  height: 100px;
  background-color: #fff;
  position: absolute;
  left: 50%;
  top:50%;
  transform: translateX(-50%) translateY(-50%);
  background-image: url("./../images/loading.gif");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  border-radius: 4px;
}